Portable sensor



FIG. 1 is a front top perspective view of the portable sensor according to the present invention;

FIG. 2 is a front plan view of the portable sensor illustrated in FIG. 1;

FIG. 3 is a rear plan view of the portable sensor illustrated in FIG. 1;

FIG. 4 is a left side plan view of the portable sensor illustrated in FIG. 1;

FIG. 5 is a right side plan view of the portable sensor illustrated in FIG. 1;

FIG. 6 is a bottom plan view of the portable sensor illustrated in FIG. 1; and,

FIG. 7 is a top plan view of the portable sensor illustrated in FIG. 1.

The dotted lines shown in FIGS. 1-7 are environmental only and form no part of the claimed design. 

CLAIM The ornamental design for a portable sensor, as shown and described. 